package thread;

import java.util.concurrent.atomic.AtomicInteger;

public class Demo39 {

    //使用原子类代替int
    //private static int count = 0;
    private static AtomicInteger count = new AtomicInteger(0);

    public static void main(String[] args) {
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                //count++;
                count.getAndIncrement();
                //++count;
                //count.incrementAndGet();
                //count += n;
                //count.addAndGet(1);

            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                count.getAndIncrement();
            }
        });
        t1.start();
        t2.start();
        try{
            t1.join();
            t2.join();
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        System.out.println("count = "+count.get());
    }
}
